Cycle Repairing and Adjusting
With a Chapter on building a Bicycle from a Set of Parts

VARIABLE GEAR DEVICES 141 212S, pawl peg ; 213S, actuating pin ; 214S, oil-hole cover ; 215S, split pin ; 216S, toggle connection piece nut ; 217S, end-plate pawl ; 218S, sliding-carrier pawl ; 219S, pawl spring ; 220S, step ; 221S, guide net ; and 222S, cone packing washer. The Pedersen “Three-speed” Gear (shown in Fig- 79) gives a 50 per cent, rise from the middle, or normal, to high, and a 33^ per cent, drop from the middle to the low. Every hearing is an adjustable ball bearing. The parts referred to by the numbers in Fig. 79 are as follow : 1, main central spindle ; 2, sliding spur wheel and sleeve ; 5, right-hand cone ; 6, left-hand adjusting cone ; 7, coil spring; 8, ring with three studs; 11, hub shell with internal teeth ; 13 and 14, spoke flanges carrying ball- race cups ; 15, main spur wheel ; 16, main spur wheel cup ring ; 20, double clutch ring, having ratchet teeth on both sides ;, 22, pinion, solid, with its spindle ; 23, clutch and ball-race combined ; 24, double spur wheel ; 25, taper clutch driving 24; 28, pinion or change wheel; 33, cup ; 34, lock ring, with right-hand thread ; 39, hook ; 79, chain-wheel pinion.